Australian Energy Market Operator

AEMO operates Australia's National Electricity Market (NEM), the interconnected power system in Australia’s eastern and south-eastern seaboard, and the Wholesale Electricity Market (WEM) and power system in Western Australia.

AEMO operates gas retail markets in New South Wales and the Australian Capital Territory, Queensland, South Australia, Victoria, and Western Australia. AEMO also operates wholesale gas markets in south-eastern Australia, those being the Declared Wholesale Gas Market in Victoria (DWGM), the Short Term Trading Market in Adelaide, Brisbane and Sydney (STTM), and the Gas Supply Hub (GSH), whose trading locations are based at Wallumbilla in Queensland, and Moomba in South Australia. AEMO also operates the Natural Gas Services Bulletin Board (GBB), and is system operator of the Victorian Gas Declared Transmission System. AEMO is also responsible for Gas Services Information functions in Western Australia.

Market accounting reports

Under the WEM Rule 10.5.1(v), AEMO publishes summary information about the account maintained by AEMO for market settlements for the preceding 24 calendar months. These monthly reports include:

The end of month balance.

The total income received for transactions in each of the Reserve Capacity Mechanism, the Short Term Energy Market (STEM), the Balancing Market, Market Fees, System Operation fees, Regulator fees, and a single value for all other income.

The total outgoings paid for transactions in each of the Reserve Capacity Mechanism (excluding supplementary capacity contracts), Supplementary Capacity Contracts, the STEM, the Balancing Market, and a single value for all other expenses.

The service fee settlement amount paid to AEMO, System Management, and the Economic Regulation Authority.